People.com's Halloween Party

Star Halloween Costumes of 2011

From Fergie's pageant queen to Jennifer Garner's witchy woman, see Hollywood's wild and wacky getups

MARIAH CAREY & NICK CANNON

The Incredibles to the rescue! Halloween came a little early for Carey and hubby Nick Cannon, who dressed up their 6-month-old twins, Moroccan and Monroe, in matching superhero disguises.